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Finding the Fourth Proportional to 566,384.40, 781,502.58 and 362,278.98

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Solution

The fourth proportional to 566,384.40, 781,502.58 and 362,278.98 is: 499,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,384.40 : 781,502.58 = 362,278.98 : x
  2. Step 2: Convert to fraction form
    566,384.40/781,502.58 = 362,278.98/x
  3. Step 3: Cross multiply
    566,384.40x = 781,502.58 × 362,278.98
  4. Step 4: Simplify right side
    566,384.40x = 283,121,957,549.77
  5. Step 5: Solve for x
    x = 283,121,957,549.77/566,384.40
  6. Step 6: Final answer
    x = 499,875.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.