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Finding the Fourth Proportional to 586,051.80, 879,077.70 and 249,005.40

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Solution

The fourth proportional to 586,051.80, 879,077.70 and 249,005.40 is: 373,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,051.80 : 879,077.70 = 249,005.40 : x
  2. Step 2: Convert to fraction form
    586,051.80/879,077.70 = 249,005.40/x
  3. Step 3: Cross multiply
    586,051.80x = 879,077.70 × 249,005.40
  4. Step 4: Simplify right side
    586,051.80x = 218,895,094,319.58
  5. Step 5: Solve for x
    x = 218,895,094,319.58/586,051.80
  6. Step 6: Final answer
    x = 373,508.10

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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.