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Finding the Fourth Proportional to 566,281.80, 849,422.70 and 316,931.40

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Solution

The fourth proportional to 566,281.80, 849,422.70 and 316,931.40 is: 475,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,281.80 : 849,422.70 = 316,931.40 : x
  2. Step 2: Convert to fraction form
    566,281.80/849,422.70 = 316,931.40/x
  3. Step 3: Cross multiply
    566,281.80x = 849,422.70 × 316,931.40
  4. Step 4: Simplify right side
    566,281.80x = 269,208,725,502.78
  5. Step 5: Solve for x
    x = 269,208,725,502.78/566,281.80
  6. Step 6: Final answer
    x = 475,397.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.